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重点讲解：
1. in addition to 另外；加之；除…之外；
In addition to these arrangements, extra ambulances will be on duty until midnight.
除了这些安排以外，另增救护车值班至午夜。
2. turn off 关上；关掉；截断，切断（…的供应）；
I have to get up and turn off the radio.
我必须起床关上收音机。
3. do away with 消除；终止；废除；
He thinks it's time we did away with the monarchy.
他认为该废除君主制了。
4. go on sale 出售；上市；
All tickets go on sale this Friday.
所有票在本星期五开始销售。
